Geometry Vocabulary
Presentation
•
Mathematics
•
7th Grade
•
Easy
+3
Standards-aligned
Lucia Jimenez
Used 74+ times
FREE Resource
14 Slides • 10 Questions
1
Geometry Vocabulary
2
3
4
Angle
An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle
5
Open Ended
6
Right Angle
An angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
7
Multiple Choice
8
Acute
Acute angles measure less than 90 degrees.
9
Open Ended
10
Obtuse Angle
An obtuse angle has a measurement greater than 90 degrees but less than 180 degrees.
11
Multiple Choice
12
Straight Angle
An angle of 180°
13
Open Ended
14
Complementray Angle
An angle that is either of two angles whose sum is 90°.
15
Open Ended
16
Supplementray Angle
either of two angles whose sum is 180°.
17
Multiple Choice
18
Side- Side-Side Rule
Side-Side-Side is a rule used to prove whether a given set of triangles are congruent.
The SSS rule states that: If three sides of one triangle are equal to three sides of another triangle, then the triangles are congruent.
19
Additional Side-Side-Side rule (SSS)
20
Open Ended
21
Congruent
Two angles are congruent if they have the same measure.
22
Open Ended
23
Polygon
A plane shape (two-dimensional) with straight sides.
Examples: triangles, rectangles and pentagons.
(Note: a circle is not a polygon because it has a curved side)
See: Plane Shape
24
Open Ended
Geometry Vocabulary
Show answer
Auto Play
Slide 1 / 24
SLIDE
